The 0.75" #75 clamp-on is 0475176451 and circa $15. By my connibulations it'll be a really close squeeze to get 5 turns of RG-6 through there. I think 5 turns of RG-58 could happen.
The 2.4" #31 core is 2631803802, circa $7 and much easier to get many more turns of RG-8X through it. Tim N3QE On Tue, Sep 30, 2014 at 9:28 AM, Grant Saviers <[email protected]> wrote: > Jim, > > Would the type 75 material from Fair-Rite, be a better choice for 160 & 80 > with 5 turns thru the 0.75" id clamp on? > > http://www.fair-rite.com/newfair/LowFreqSuppression.html > > your thoughts? > > Grant KZ1W > > > On 9/29/2014 11:56 AM, Jim Brown wrote: > >> On Mon,9/29/2014 10:43 AM, [email protected] wrote: >> >>> Bill - An effective common-mode choke can be made with 17 turns of >>> RG58-coax wound on to an Amidon FT240-31 core. >>> >> >> It's not an Amidon core, it's a Fair-Rite core. It's a LOT cheaper when >> you buy from a Fair-Rite distributor. See Appendix One of >> k9yc.com/RFI-Ham.pdf >> >> 73, Jim K9YC >> >> _________________ >> Topband Reflector Archives - http://www.contesting.com/_topband >> >> > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband > _________________ Topband Reflector Archives - http://www.contesting.com/_topband
